Systematic errors in polarimeter calibration due to imperfect calibration optics.
Systematic long-term comparison of spectral UV measurements and UVSPEC modeling results
Systematic Numerical Study of the Propagation of Monochromatic Radiation through a Stationary Atmosphere in a Model of Plane Plane-Parallel Layers
Systematic studies of light scattering. 1: Particle shape
Systems modeling in the design and verification of the James Webb Space Telescope